Fork top nut, 28 tpi, chrome – slightly domed on top

B25, C25, B44, A65 (1969-70), A75, Rocket 3 (1969-70). Triumph T250, TR25W 250 Single (1969-70). T100S,T100R, (1966-74). 6T, T110, T120, TR6 (1968-70).